The quality of the national standard power cord is relatively good, with extremely high temperature resistance, and good mechanical strength, which is incomparable to non-national standard power cords. Because of this, there are some counterfeit and fake GB power cords in the current wire and cable market. This requires consumers to pay attention when buying, otherwise it is easy to buy non-national standard power cords. Let the experts provide us with some better identification techniques below!

　　 Technique 1: It depends

　　 look is the most direct way. So what content do ordinary consumers need to watch? The first content to watch is whether the power cord has a certificate of quality certification. Generally, the appearance of the national standard power cord will be marked with the certification of the quality system, so that people can use it with peace of mind. Next is to see whether the certificate is true or false. Some people will forge some certificates in order to make their non-national standard power cords sell better. Therefore, when you look at it, you must pay attention to the specification of its certificate. In addition, it depends on the factory name on the power cord. Manufacturing location, inspection stamp, production date, etc. Pay attention to these details, then consumers can pick the national standard power cord.

　　 Technique 2: Try

　　 You can take a section of the power cord and bend it repeatedly with your hands. After several bends, its inherent performance will be revealed. If it has a softer hand and no cracks after repeated bending, then the quality of the power cord is relatively reliable. Once there is a crack, there is no need to buy the product.

　　 Technique 3: Weighing

　　 Generally good national standard power cords use relatively good materials, and the quality is guaranteed. Since the material used is better, its weight is also heavier. Therefore, you can know the quality of the product just by weighing it.

　　 As long as you follow the three steps, you will be able to choose a satisfactory power cord for consumers.

Article from: http://www.elejintao.com/newsd-nid-65.html